14 Getting Started Chapter 1
Terminal Module
Descriptions Figure 1-3 shows the Standard Terminal Module Form C configuration with
solder lugs, the Option 010 Terminal Module Form C configuration w ith
signal conditioning circuitry, and the Option 020 Form A Screw T erminal
configuration.
Figure 1-4 shows the three terminal modules and options for NO and NC
connections for each terminal type. A switch (relay) is open when contact is
made between the normally closed (NC) contact and common (C). A switch
is closed when contact is made between the normally open (NO) and
common (C). Any combination of open or closed states is allowed at on e
time for all channels on the module.
Figure 1-3. Form C Switch - Terminal Modules
Standard Configuration Option 010 Form C Option 020 Form A
Terminal Module Type
Standard
Form C
Solder Lug
Option 010
Form C
Signal Conditioning
Option 020
Form A
Screw Terminal
Relay Open Load 1 Load 1 No Connection
Relay Closed Load 2 Load 2 Load 2